The Arc'teryx Rush Insulated women's winter sports jacket offers winter sports specific features. Perfect for layering, this shell provides effective protection against the elements and freedom of movement without compromising the style. Designed for severe alpine conditions, this slightly insulated outer layer is made of waterproof, windproof and breathable Gore-TexDM, so you can stay comfortable throughout the cold season. It also features articulated construction that frees you to move across mountain terrain. Layering is the key of keeping you dry, warm and using your energy efficiently. Put into the right systems, a good sequence of layers moves moisture away from your skin, conserves or dissipates heat and provides you with weather protection. Here they are. The first layer, worn next-to-skin will provide warmth and quickly move moisture away from your skin. Then, the second layer, is the insulation and fleece, that provides warmth while also dissipating heat during periods of high output. And finally, the third layer, the shell, which is the most weather-protective layer, worn on the outside of all other layers.